Simplify 3 \(^{n − 1}\) × \(\frac{27^{n + 1}}{81^n}\)
MATHEMATICS
JAMB 2017
Simplify 3 \(^{n − 1}\) × \(\frac{27^{n + 1}}{81^n}\)
- A. 32n
- B. 9
- C. 3n
- D. 3n+1
Correct Answer: B. 9
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